Finding the Fourth Proportional to 30,447.24, 42,013.98 and 17,017.08

Step by Step Solution

1. Step 1: Write the proportion equation
   30,447.24 : 42,013.98 = 17,017.08 : x
2. Step 2: Convert to fraction form
   30,447.24/42,013.98 = 17,017.08/x
3. Step 3: Cross multiply
   30,447.24x = 42,013.98 × 17,017.08
4. Step 4: Simplify right side
   30,447.24x = 714,955,258.78
5. Step 5: Solve for x
   x = 714,955,258.78/30,447.24
6. Step 6: Final answer
   x = 23,481.78